Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies
if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the
same subfield and year (this is the minimum needed to enter the top 1%, not the average
within it), or reaches the top citation threshold in at least one of its specific research
topics.
Citations per year, relative to Ravi Sandhu Ravi Sandhu (= 1×)
peers
Pierangela Samarati
Countries citing papers authored by Ravi Sandhu
Since
Specialization
Citations
This map shows the geographic impact of Ravi Sandhu's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ravi Sandhu with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ravi Sandhu more than expected).
This network shows the impact of papers produced by Ravi Sandhu. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ravi Sandhu. The network helps show where Ravi Sandhu may publish in the future.
Co-authorship network of co-authors of Ravi Sandhu
This figure shows the co-authorship network connecting the top 25 collaborators of Ravi Sandhu.
A scholar is included among the top collaborators of Ravi Sandhu based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Ravi Sandhu. Ravi Sandhu is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Bertino, Elisa, Ravi Sandhu, & Ram Krishnan. (2017). Proceedings of the 2nd ACM Workshop on Attribute-Based Access Control.1 indexed citations
6.
Bertino, Elisa, Ravi Sandhu, & Ram Krishnan. (2016). Proceedings of the 2016 ACM International Workshop on Attribute Based Access Control.2 indexed citations
Buell, Duncan A. & Ravi Sandhu. (2003). Identity management. IEEE Internet Computing.13 indexed citations
9.
Sandhu, Ravi, et al.. (2002). Proceedings of the seventh ACM symposium on Access control models and technologies.
10.
Sandhu, Ravi, Elisa Bertino, Trent Jaeger, Richard Kühn, & Carl E. Landwehr. (2001). The next generation of access control models: Do we need them and what should they be?.3 indexed citations
11.
Sandhu, Ravi, et al.. (1996). Expressive power of access control models based on propagation of rights.7 indexed citations
12.
Thuraisingham, Bhavani, Ravi Sandhu, & T. C. Ting. (1994). Security for object-oriented systems : proceedings of the OOPSLA-93 Conference Workshop on Security for Object-Oriented Systems, Washington, DC, USA, 26 September 1993. Springer eBooks.1 indexed citations
13.
Thomas, Roshan K. & Ravi Sandhu. (1992). Implementing the Message Filter Object-Oriented Security Model without Trusted Subjects.. 15–34.2 indexed citations
14.
Sandhu, Ravi, et al.. (1992). Using Traces of Procedure Calls to Reason About Composability. 177.3 indexed citations
15.
Jajodia, Sushil & Ravi Sandhu. (1991). Towards a Multilevel Secure Relational Data Model.. International Conference on Management of Data. 50–59.8 indexed citations
16.
Jajodia, Sushil & Ravi Sandhu. (1990). Database Security: Current Status and Key Issues.. International Conference on Management of Data. 19(4). 123–126.8 indexed citations
17.
Sandhu, Ravi. (1990). Separation of Duties in Computerized Information Systems.. 179–190.80 indexed citations
18.
Zhang, Xinwen, Jae-Hong Park, & Ravi Sandhu. (1990). Schema Based XML Security: RBAC Approach.4 indexed citations
Sandhu, Ravi. (1988). Expressive Power of the Schematic Protection Model.. 188–193.5 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.